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Employee Benefit Plans (Actuarial Assumptions Used to Determine Benefit Obligation) (Details) (Employee Pension Plans [Member])
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Employee Pension Plans [Member]
    
Actuarial assumptions used to determine benefit obligation    
Discount rate (as a percent) 3.75%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember		 4.47%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Measurement date December 31 December 31